CN204113379U - There is the engine system of condensation product bypass duct - Google Patents
There is the engine system of condensation product bypass duct Download PDFInfo
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- CN204113379U CN204113379U CN201420434647.0U CN201420434647U CN204113379U CN 204113379 U CN204113379 U CN 204113379U CN 201420434647 U CN201420434647 U CN 201420434647U CN 204113379 U CN204113379 U CN 204113379U
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- Prior art keywords
- air inlet
- inlet duct
- condensation product
- pcv
- duct
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
- F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
- F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/06—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/0011—Breather valves
- F01M2013/0027—Breather valves with a de-icing or defrosting system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to the engine system with condensation product bypass duct.A kind of engine system is provided.Described engine system comprises the air inlet duct being arranged on engine cylinder upstream, and comprises the PCV outlet of leading to described air inlet duct.Described engine system comprises further and to be communicated with described air inlet duct parallel flow and condensation product bypass duct in the vertical below of described air inlet duct, and described condensation product bypass duct comprises the entrance leading to described air inlet duct and the pipe outlet leading to described air inlet duct.The utility model can improve system lifetim and improve the burn operation in motor.
Description
Technical field
The utility model relates to a kind of engine system with condensation product bypass duct.
Background technique
Positive crankcase ventilation(PCV) (PCV) system can be contained in motor to reduce the discharge of gas leakage (blow-by gas) from crankcase.Pcv system can comprise conduit, and new charge is provided in crankcase by this conduit, and the crank case gases comprising gas leakage is flowed in gas handling system.Gas leakage is transmitted back in gas handling system be used for subsequent combustion can reduce motor discharge.Therefore, motor is reduced on the impact of environment.
US 8,267,073 discloses and a kind of gas leakage is flowed into gas handling system with the Pcv system of emissions reduction from crankcase.Pcv system comprises the condensate sink be incorporated in air inlet duct, to attempt to guide condensation product to flow out from the PCV outlet of leading to air inlet duct.
But inventor of the present utility model has realized that US 8,267, several shortcomings of Pcv system disclosed in 073.Such as, during engine cutoff, ice may be formed in condensate tank(trap).Therefore, the downstream components of such as closure may be damaged when motor starts again.In addition, condensate tank(trap) cannot fully be captured in the condensation product formed in air inlet duct.Therefore, owing to there is condensation product in air inlet, burn operation may be made to degenerate.Moreover condensate tank(trap) may increase US 8,267, the loss of Pcv system disclosed in 073.
Model utility content
Inventor herein has realized that the problems referred to above and develops a kind of engine system.Described engine system comprises the air inlet duct being arranged on engine cylinder upstream, and comprises the PCV outlet of leading to described air inlet duct.Described engine system comprises further and to be communicated with air inlet duct parallel flow and condensation product bypass duct in the vertical below of air inlet duct, and described condensation product bypass duct comprises the entrance leading to air inlet duct and the pipe outlet leading to air inlet duct.
According to an embodiment of the present utility model, wherein said air inlet duct is arranged on the upstream of compressor, and wherein said pipe outlet is in the upstream of described compressor.
According to an embodiment of the present utility model, wherein said air inlet duct is arranged on the upstream of closure.
According to an embodiment of the present utility model, the diameter of wherein said condensation product bypass duct reduces on downstream direction.
According to an embodiment of the present utility model, the diameter of wherein said condensation product bypass duct does not reduce with constant ratio.
According to an embodiment of the present utility model, a part for the described air inlet duct wherein extended between the described entrance and described outlet of described condensation product bypass duct is substantially straight.
According to an embodiment of the present utility model, this engine system comprises the filter be arranged in described condensation product bypass duct further.
According to an embodiment of the present utility model, wherein said filter comprises mesh screen.
According to an embodiment of the present utility model, wherein said entrance leads to described air inlet duct in the position of the upstream that described PCV exports.
According to an embodiment of the present utility model, wherein said pipe outlet leads to described air inlet duct in the position in the downstream that described PCV exports.
According to the utility model, provide a kind of engine system, it comprises: air inlet duct, and it is arranged on the upstream of engine cylinder; Positive crankcase ventilation(PCV) conduit and PCV conduit, it comprises the positive crankcase ventilation(PCV) outlet and PCV outlet of leading to described air inlet duct; With condensation product bypass duct, it is communicated with described air inlet duct parallel flow and in the vertical below of described air inlet duct, and the diameter of described condensation product bypass duct reduces on downstream direction, described condensation product bypass duct comprises the entrance leading to described air inlet duct and the pipe outlet leading to described air inlet duct.
According to an embodiment of the present utility model, this engine system comprises the filter be arranged in pipe outlet further.
According to an embodiment of the present utility model, wherein said entrance and described pipe outlet have equal vertical height.
According to an embodiment of the present utility model, wherein said air inlet duct is arranged on the upstream of at least one of compressor and closure.
According to an embodiment of the present utility model, wherein said entrance leads to described air inlet duct in the position of the upstream that described PCV exports, and described pipe outlet leads to described air inlet duct in the position in the downstream that described PCV exports.
Condensation product bypass duct makes condensation product bypass duct can collect condensation product from air inlet duct relative to the position of air inlet duct, the condensation product such as produced in Pcv system and the condensation product flowed out from PCV outlet.Therefore, condensation product may be trapped in bypass duct, thus reduces condensation product flows to the downstream components of such as closure and/or compressor from air inlet duct possibility with liquid or solid form.Therefore, the possibility that assembly is degenerated because of ice cube is decreased.In addition, because the condensation product in inflow engine cylinder reduces, burn operation can be improved.In one example, the diameter of condensation product bypass duct reduces on downstream direction.This other opening contributes to collecting condensation product in bypass duct, and the port size simultaneously reduced controls condensation product and makes the return trip empty in air-flow with the speed (such as with the speed that engine performance can not be made to degenerate) expected release.
Should be appreciated that, due to the position of the below of of condensation product bypass duct in condensation source (that is, PCV outlet), condensation product bypass duct can receive condensation product from air inlet duct.Therefore, decrease the possibility of liquid or solid condensate flow to the downstream components of such as closure and/or compressor, thus improve assembly life-span and improve burn operation.Therefore, the technique effect realized by aforementioned engine system can comprise the burn operation improving system lifetim and improve in motor.
When separately or by reference to the accompanying drawings, the above-mentioned advantage of this specification and other advantages and feature will by following embodiment obviously.
Should understand and provide above-mentioned summary to introduce the selection of the concept further described in a specific embodiment in simplified form.It is also not intended to the key or the essential feature that identify theme required for protection, and the scope ground of theme required for protection is uniquely limited by appended claims.In addition, the theme required for protection mode of execution of any shortcoming that is not limited to solve above or mentions in any part of the present utility model.In addition, inventor herein has realized that the problems referred to above, and the problems referred to above are not well-known.
Accompanying drawing explanation
Fig. 1 illustrates the schematic description of the vehicle with motor and PCV system;
Fig. 2 illustrates example air inlet duct and condensation product bypass duct;
Fig. 3 illustrates the sectional view of illustrated condensation product bypass duct in fig. 2;
Fig. 4 illustrates the sectional view of illustrated air inlet duct in fig. 2; And
Fig. 5 illustrates the method for operating crank case forced ventilation system.
Embodiment
Describe a kind of engine system with condensation product bypass duct herein, described condensation product bypass duct is for collecting the condensation product of engine cylinder upstream.Due to the position that condensation product bypass duct exports relative to PCV, described condensation product bypass duct collects condensation product from air inlet duct.Should be appreciated that at least some in described condensation product may export from PCV.The amount that condensation product can reduce the condensation product (such as liquid and/or solid) arriving the such as downstream components such as closure, compressor is collected via bypass duct.Therefore, when adopting condensation product bypass duct in engine system, burn operation can be improved by the amount reducing the condensation product flowed in cylinder.In addition, also reduce such as closure and/or compressor assembly because of refrigerated condensation thing impaired possibility.Therefore, power operation and assembly life-span is improved.
Fig. 1 illustrates the schematic description of the vehicle 10 comprising motor 12.Motor 12 is configured to realize burn operation.For example, the four-stroke combustion cycle comprising aspirating stroke, compression stroke, expansion stroke and exhaust stroke can be realized.But, the burn cycle of other types can be adopted in other examples.In this way, motive force can be produced in vehicle 10.Should be appreciated that motor can be connected on speed changer, for the rotating power produced in motor being delivered to the wheel in vehicle.
Motor 12 comprises cylinder 14.Specifically, the motor of description comprises with two of V-type deployment arrangements cylinders.But the motor of the cylinder and configuration with different number is expected.For example, described cylinder can be arranged in in line configuration, and the configuration that wherein said cylinder is arranged in straight line, level is relative is medium.In addition, in one example, described motor can comprise single cylinder.Cylinder 14 is mechanically connected to bent axle 15.Mechanical connection between cylinder 14 and bent axle 15 is indicated by arrow 17.
Gas handling system 16 is configured to provide air to cylinder 14.Gas handling system 16 can comprise multiple assembly, such as via the air inlet duct that arrow 18 represents.Condensation product bypass duct 20 is also show in Fig. 1.Condensation product bypass duct 20 can be included in gas handling system 16 and/or positive crankcase ventilation (PCV) (PCV) system 22.
Condensation product bypass duct 20 comprises entrance 24 and pipe outlet 26.Entrance 24 leads to air inlet duct 18 in the position of the upstream of PCV outlet 28.PCV outlet 28 is comprised in Pcv system 22.Pcv valve door 29 also can be contained in Pcv system 22.Pcv valve door 29 can be configured to adjust the amount flowing to the crank case gases of air inlet duct 18 from PCV outlet 28.Pipe outlet 26 leads to air inlet duct 18 in the position in the downstream of PCV outlet 28.As shown in the figure, condensation product bypass duct 20 is communicated with air inlet duct 18 parallel flow.But other bypass duct configuration is expected.In addition, in the example described, condensation product bypass duct 20 is not communicated with the assembly direct flow beyond air inlet duct 18 along its length.Should be appreciated that direct flow is communicated with any assembly meaning and do not exist between two assemblies of fluid connection.But in other examples, condensation product bypass duct 20 can be communicated with along its length with other assembly fluid.
PCV outlet 28 is included in the PCV conduit 30 be communicated with crankcase 32 fluid.In the example described, crankcase 32 is the crankcase of sealing.Crankcase 32 has the bent axle 15 be arranged on wherein.In one example, crankcase 32 can comprise the part of cylinder block 34 and food tray 36.Food tray 36 can be configured to receive oil from lubrication system.
Pcv system 22 comprises PCV entry conductor 38 further.PCV entry conductor 38 can be communicated with the fluid of in air inlet duct 49 via ingress port 40.But in other examples, described ingress port can be communicated with surrounding ambient fluid.
In addition, gas handling system 16 comprises the compressor 42 being arranged on air inlet duct 18 downstream further.Closure 44 is also comprised in gas handling system 16, and is arranged on the downstream of compressor 42 and air inlet duct 18.Therefore, compressor 42 and closure 44 are arranged on the downstream of PCV outlet 28.In one example, charger-air cooler 43 also can be contained in gas handling system 16.Charger-air cooler 43 can be configured to eliminate the heat from the air inlet flowing through described cooler, thus reduces the temperature of the air inlet in described compressor downstream.But, in other examples, compressor 42 and/or charger-air cooler 43 in gas handling system 16, can not be comprised.
In one example, compressor 42 can be mechanically connected to bent axle 15.But in other examples, described compressor can be mechanically connected to the turbine be included in vent systems.Arrow 46 indicates the fluid between compressor 42 with charger-air cooler 43 to be communicated with, and arrow 47 indicates the fluid between charger-air cooler 43 with closure 44 to be communicated with.Therefore, one or more conduit can provide aforesaid fluid to be communicated with.Closure 44 is communicated with intake valve 48 fluid being connected to cylinder 14.Arrow 49 indicates and is communicated with the fluid between cylinder at described intake valve.Should be appreciated that one or more air inlet duct, manifold etc. can provide this fluid to be communicated with.Intake valve 48 is configured to activated thus suppresses and permit charge air flow to enter in cylinder 14.Exhaust valve 50 is also connected to cylinder 14.Exhaust valve 50 is configured to through activating thus suppressing and permit exhaust to flow in exhaust manifolds 52.Exhaust manifolds are comprised in vent systems, and vent systems can comprise one or more turbine, manifold, conduit, passage, emission control system (such as, catalyzer, filter etc.), silencing apparatus etc.
Controller 100 can be contained in vehicle.Controller 100 can be configured to send command signal from the sensor Received signal strength vehicle and to assembly.
Each assembly in vehicle 10 can at least in part by comprising the control system of controller 100 and being controlled via the input of input device 130 by vehicle driver 132.In this example, input device 130 comprises accelerator pedal and the pedal position sensor 134 for generating proportional pedal position signal PP.Controller 100 is illustrated as microcomputer in FIG; it comprises processor 102 (such as; microprocessor unit), input/output end port (I/O) 104, the electronic storage medium for executable program and calibration value being illustrated as ROM (read-only memory) (ROM) 106 (such as, ROM chip) in this particular example, bot 502 includes, random access memory (RAM) 108, keep-alive storage (KAM) 110 and data/address bus.Storage medium ROM (read-only memory) 106 can be programmed by mechanized data, described mechanized data represent for perform hereafter described method and expection but other variants specifically do not listed by the executable instruction of processor 102.As shown in the figure, closure 44 and Pcv valve door 29 can from controller 100 reception control signals.But, in other examples, Pcv valve door 29 can be operated passively.In addition, should be appreciated that vehicle can comprise fuel delivery system further, this fuel delivery system can comprise fuel tank, petrolift, fuel rail, fuel injector (such as, port fuel-injectors and/or direct fuel sparger) etc.
Fig. 2 illustrates example air inlet duct 200.Air inlet duct 200 can be similar with the air inlet duct 18 shown in Fig. 1.Therefore, air inlet duct 200 is arranged on the upstream of engine cylinder.Specifically, in one example, air inlet duct 200 can be arranged on the upstream of at least one in compressor and closure, described compressor and all compressors 42 as shown in Figure 1 of closure and/or closure 44.Air inlet duct 200 comprises entrance 201 and outlet 203.This entrance can be communicated with the upstream component fluid of such as filter, and exports 203 and can be communicated with the such as downstream components such as closure, compressor fluid.As shown in the figure, the downstream that 203 are arranged on the curved section of air inlet duct 200 is exported.Should be appreciated that curved section 230 in the vertical direction extends.
PCV outlet 202 is also show in Fig. 2.Air inlet duct 200 is led in PCV outlet 202.Arrow 204 represents that the crankcase sealing is communicated with the fluid that PCV exports between 202.Should be appreciated that the fluid that PCV conduit can provide the crankcase of sealing and PCV to export between 202 is communicated with.
Condensation product bypass duct 206 is also show in Fig. 2.Bypass duct 206 can be similar with the bypass duct 20 shown in Fig. 1.Condensation product bypass duct 206 comprises entrance 208 and pipe outlet 210.In one example, entrance 208 and pipe outlet 210 can have equal vertical height.But in another example, entrance and the vertical of pipe outlet highly can change.Bypass duct 206 is arranged on the below of air inlet duct 200 vertically.In addition, entrance 208 is arranged on the upstream of PCV outlet 202, and pipe outlet 210 is arranged on the downstream of PCV outlet 202.But other entrance and/or exit position are expected.There is provided vertical axis 240 relative to gravity for reference, to illustrate that bypass is in the below of described air conduit (such as relative to vertical axis, relative to gravity and road surface, the vehicle with described bypass duct is positioned on this road surface).But other vertical axis orientation is expected.Condensation product bypass duct 206 comprises first portion 212 and second portion 214.First portion 212 has the diameter being greater than second portion 214.Therefore, the diameter of bypass duct 206 reduces on downstream direction.As shown in the figure, described diameter does not reduce with constant ratio.But other bypass duct geometrical construction is expected.As shown in the figure, the part of condensation product bypass duct 206 is bending.In addition, when filter is not arranged in outlet 210, condensation product bypass duct 206 can have the without hindrance path along its length from outlet 210 to entrance 208.In other words, condensation product bypass duct 206 can be expedite.
Should be appreciated that, because bypass duct 206 is placed on the below of air inlet duct 200, the condensation product therefore in air inlet duct can flow in bypass duct.In this way, condensation product can be collected in this bypass duct, thus reduces the amount at the condensation product of the downstream flow of described air inlet duct.Specifically, described condensation product bypass duct can collect condensation product, and condensation product may freeze because of the ambient temperature of external engine in some instances.Subsequently, due to position and the geometrical construction of conduit, the condensation product freezed can be contained in bypass duct.Therefore, the condensation product freezed is prevented from fact flowing to downstream components and damaging described assembly.In this way, the life-span of described gas handling system is added.In addition, when the amount flowing into the condensation product in described cylinder reduces, the burn operation in described cylinder can be improved.
In addition, the diameter of air inlet duct 200 can export 202 downstreams along its length somewhat constant at PCV.But in other examples, the diameter of air inlet duct 200 can change along its length.Should be appreciated that air inlet duct 200, PCV outlet 202 and bypass duct 206 can be contained in engine system.
PCV outlet 202 is attached to the first half of air inlet duct 200, thus substantially suppresses liquid (such as, condensation product) to flow in Pcv system.Should be appreciated that extra PCV port (such as, PCV entrance) can be attached to the first half of air inlet duct.
The internal volume of this bypass duct can be selected, with the condensation product release of the condensation product capacity and metering that make desired amount back in airway.In addition, air inlet duct 200 and/or bypass duct 206 can comprise polymeric material.The section 250 limiting the cross section shown in Fig. 3 has been shown in Fig. 2.The section 252 limiting the cross section shown in Fig. 4 is also show in Fig. 2.
Fig. 3 shows the sectional view of the pipe outlet 210 shown in Fig. 2.In one example, the filter 300 of such as mesh screen can be arranged on whole pipe outlet 210.But in other examples, filter can not be arranged on described pipe outlet, and air flow path can be expedite.
Fig. 4 shows the sectional view of the air inlet duct 200 shown in Fig. 2.As shown in the figure, the spaced radial 400 between PCV outlet 202 and entrance 208 is 180 °.This spaced radial is measured around center line 220.In addition, should be appreciated that the pipe outlet 210 shown in Fig. 2 can be axially aligned with entrance 208.Therefore in some instances, the spaced radial between PCV outlet and entrance also can be 180 °.But in other examples, entrance and pipe outlet can be offset.In addition, PCV outlet 202 is illustrated as extending in air inlet duct 200.But in other examples, PCV outlet can not extend in air inlet duct.
Fig. 5 illustrates the operating method 500 of Pcv system.Method 500 can via realizing to 3 systems described and assembly about Fig. 1 above.But method 500 also can realize via other suitable systems and assembly.
502, the method comprises makes crank case gases from PCV outlet flow to the air inlet duct of engine cylinder upstream.In one example, PCV outlet is communicated with the crankcase fluid of sealing.Subsequently, 503, the method is included in condensation product bypass duct and collects condensation product, and described condensation product bypass duct comprises the entrance leading to described air inlet duct.As previously discussed, described entrance can be arranged on the upstream that described PCV exports.504, the method comprises makes air inlet flow through described condensation product bypass duct.506, the method comprises makes air inlet flow to the pipe outlet leading to described air inlet duct from described entrance.As previously discussed, described pipe outlet can be arranged on the downstream that described PCV exports.Next 508, the method comprises makes air inlet and crank case gases flow to compressor from described air inlet duct.
It should be noted that the example control comprised in this article uses together with can configuring with various engines and/or Vehicular system with estimation routine.It is one or more that specific program described herein can represent in the processing policy of arbitrary number, such as, and event-driven, drives interrupts, Multi task, multithreading etc.Therefore, illustrated various actions, operation and/or function by illustrated order executed in parallel, or can be omitted in some cases.Equally, the order of process is not that to realize the Characteristics and advantages of example embodiment described herein necessary, but provides with description for convenience of explanation.Illustrated action, operation and/or the one or more of function can be depended on used specific policy and be repeatedly performed.In addition, described action, operation and/or function can represent the code in the non-transitory storage of the computer-readable recording medium that will be programmed in engine control system to graphically.
Should be appreciated that, configuration presently disclosed and program are exemplary in itself, and these specific embodiments are not regarded as having limited significance, because numerous variants is possible.Such as, above-mentioned technology can be applied in V-6, L-4, L-6, V-12, opposed type 4 cylinder and other engine types.Theme of the present utility model comprise various system presently disclosed and be configured to and other features, function and/or characteristic all novelties with non-obvious combination and sub-portfolio.
Claims are specifically noted and are regarded as novel and non-obvious some combination and sub-portfolio.These claims may be mentioned " one " element or " first " element or its equivalent.This type of claim should be understood to the merging comprising this class component one or more, neither needs also not get rid of two or more this class components.Other combinations of disclosed feature, function, element and/or characteristic and sub-portfolio can by the amendments of claim of the present utility model or claimed by the proposition of the new claim in the application or related application.No matter wider than the scope of original claim this type of claim is, narrower, equivalent or different, is also all regarded as being included in theme of the present utility model.
Claims (15)
1. an engine system, is characterized in that comprising:
Air inlet duct, it is arranged on the upstream of engine cylinder;
Positive crankcase ventilation(PCV) outlet and PCV outlet, it leads to described air inlet duct; With
Condensation product bypass duct, it is communicated with described air inlet duct parallel flow and in the vertical below of described air inlet duct, described condensation product bypass duct comprises the entrance leading to described air inlet duct and the pipe outlet leading to described air inlet duct.
2. engine system according to claim 1, it is characterized in that wherein said air inlet duct is arranged on the upstream of compressor, and wherein said pipe outlet is in the upstream of described compressor.
3. engine system according to claim 1, is characterized in that wherein said air inlet duct is arranged on the upstream of closure.
4. engine system according to claim 1, is characterized in that the diameter of wherein said condensation product bypass duct reduces on downstream direction.
5. engine system according to claim 4, is characterized in that the diameter of wherein said condensation product bypass duct does not reduce with constant ratio.
6. engine system according to claim 1, is characterized in that a part for the described air inlet duct wherein extended between the described entrance and described outlet of described condensation product bypass duct is straight.
7. engine system according to claim 1, is characterized in that it comprises the filter be arranged in described condensation product bypass duct further.
8. engine system according to claim 7, is characterized in that wherein said filter comprises mesh screen.
9. engine system according to claim 1, is characterized in that wherein said entrance leads to described air inlet duct in the position of the upstream that described PCV exports.
10. engine system according to claim 1, is characterized in that wherein said pipe outlet leads to described air inlet duct in the position in the downstream that described PCV exports.
11. 1 kinds of engine systems, is characterized in that comprising:
Air inlet duct, it is arranged on the upstream of engine cylinder;
Positive crankcase ventilation(PCV) conduit and PCV conduit, it comprises the positive crankcase ventilation(PCV) outlet and PCV outlet of leading to described air inlet duct; With
Condensation product bypass duct, it is communicated with described air inlet duct parallel flow and in the vertical below of described air inlet duct, and the diameter of described condensation product bypass duct reduces on downstream direction, described condensation product bypass duct comprises the entrance leading to described air inlet duct and the pipe outlet leading to described air inlet duct.
12. engine systems according to claim 11, is characterized in that it comprises the filter be arranged in pipe outlet further.
13. engine systems according to claim 12, is characterized in that wherein said entrance and described pipe outlet have equal vertical height.
14. engine systems according to claim 11, is characterized in that wherein said air inlet duct is arranged on the upstream of at least one of compressor and closure.
15. engine systems according to claim 11, it is characterized in that wherein said entrance leads to described air inlet duct in the position of the upstream that described PCV exports, and described pipe outlet leads to described air inlet duct in the position in the downstream that described PCV exports.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/961,607 | 2013-08-07 | ||
| US13/961,607 US9074563B2 (en) | 2013-08-07 | 2013-08-07 | Engine system having a condensate bypass duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113379U true CN204113379U (en) | 2015-01-21 |
Family
ID=51419547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420434647.0U Active CN204113379U (en) | 2013-08-07 | 2014-08-01 | There is the engine system of condensation product bypass duct |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9074563B2 (en) |
| CN (1) | CN204113379U (en) |
| DE (1) | DE202014103477U1 (en) |
| RU (1) | RU153007U1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072737A (en) * | 2016-01-25 | 2018-12-21 | 曼卡车和巴士股份公司 | Device and method for the crankcase ventilation to internal combustion engine |
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|---|---|---|---|---|
| US9316183B2 (en) * | 2013-08-15 | 2016-04-19 | Ford Global Technologies, Llc | Air intake duct ice ingestion features |
| US10215138B2 (en) | 2016-08-26 | 2019-02-26 | Ford Global Technologies, Llc | Protective cap for a positive crankcase ventilation port and a method to manufacture |
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| JP4013249B2 (en) | 2002-08-29 | 2007-11-28 | 株式会社デンソー | Throttle valve device for internal combustion engine |
| US6782878B2 (en) | 2003-01-27 | 2004-08-31 | General Motors Corporation | PCV assembly and fitting |
| US6971358B2 (en) * | 2004-04-22 | 2005-12-06 | Keihin Corporation | Intake system for internal combustion engine and method of controlling internal combustion engine |
| US7441551B2 (en) | 2005-08-22 | 2008-10-28 | Honda Motor Co., Ltd. | Intake manifold |
| DE102005059668A1 (en) * | 2005-12-12 | 2007-06-14 | Mahle International Gmbh | Internal combustion engine e.g. in motor vehicle, has fresh air installation and de-gasification installation whereby de-gasification installation has oil separator for removing of oil from blow-by gases |
| JP4536105B2 (en) | 2007-11-19 | 2010-09-01 | 株式会社デンソー | Intake device for internal combustion engine |
| US8205604B2 (en) | 2009-11-25 | 2012-06-26 | GM Global Technology Operations LLC | Crankcase vent nozzle for internal combustion engine |
| DE102011106593B4 (en) * | 2010-07-06 | 2022-01-13 | BRUSS Sealing Systems GmbH | Housing for an internal combustion engine and a positive crankcase ventilation PCV valve attached to the housing, and a method of attaching a PCV valve to a housing |
| NL2006586C2 (en) * | 2011-04-11 | 2012-10-12 | Vialle Alternative Fuel Systems Bv | Assembly for use in a crankcase ventilation system, a crankcase ventilation system comprising such an assembly, and a method for installing such an assembly. |
| JP5626463B2 (en) | 2011-05-19 | 2014-11-19 | トヨタ自動車株式会社 | Intake structure of internal combustion engine |
| US9593605B2 (en) * | 2012-09-17 | 2017-03-14 | Ford Global Technologies, Llc | Crankcase ventilation via crankcase pulsation |
-
2013
- 2013-08-07 US US13/961,607 patent/US9074563B2/en active Active
-
2014
- 2014-07-28 DE DE202014103477.3U patent/DE202014103477U1/en active Active
- 2014-08-01 CN CN201420434647.0U patent/CN204113379U/en active Active
- 2014-08-06 RU RU2014132550/06U patent/RU153007U1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072737A (en) * | 2016-01-25 | 2018-12-21 | 曼卡车和巴士股份公司 | Device and method for the crankcase ventilation to internal combustion engine |
| CN109072737B (en) * | 2016-01-25 | 2021-03-12 | 曼卡车和巴士股份公司 | Device and method for ventilating the crankcase of an internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| RU153007U1 (en) | 2015-06-27 |
| US20150040877A1 (en) | 2015-02-12 |
| US9074563B2 (en) | 2015-07-07 |
| DE202014103477U1 (en) | 2014-08-11 |
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